Precautions And Safety Measures - Ht Instruments Ht4010 Bedienungsanleitung

1. PRECAUTIONS AND SAFETY MEASURES

This instrument complies with IEC/EN61010-1. For your own safety and
to avoid damaging the instrument, you're recommended to keep to the
instructions contained in this manual and read carefully all the notes
preceded by the symbol
•
Do not measure voltage in wet or dusty places
•
Do not measure in presence of gas, explosive
materials, or combustibles
•
Do not touch the circuit under test if no measurement
is being taken
•
Do not touch exposed metal parts, unused terminals,
circuits and so on
•
Do not use the meter if it seems to be malfunctioning
(i.e. if you notice deformations, breaks, leakage of
substances, absence of messages on the display and
so on)
•
Measuring voltage over 20V as it might cause human
body electricity conduction
•
The meter has been designed for use in places with
pollution class 2
•
Do not take measurements on circuits exceeding the
specified voltage and current limits
•
The meter measures CURRENT and VOLTAGE on
CAT III 600V plants. For measurement categories
please see § 1.3
•
Do not use on systems exceeding the limit values
specified in technical specifications of user manual.
•
Only the accessories provided with the instrument
guarantee compliance with safety standards. They
must be in good conditions and must be replaced, if
necessary, with identical models
•
Make sure that the batteries are installed correctly.
•
Before connecting the test probes to the installation,
check that the function selector is positioned on the
required measurement.
•
Make sure that the LCD and the range indicator
show the same as the function desired
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CAUTION
HT4010